Non-Destructive Testing (NDT) inspection field device, namely, diagnostic systems comprised of a scanner and a detector; Non-Destructive Testing (NDT) inspection field device, namely, diagnostic systems comprised of an ultrasonic gauge and an elcometer, Non-Destructive Testing (NDT) inspection field device, namely, diagnostic systems comprised of an electronic transmitter, receiver, and A probe; Non-Destructive Testing (NDT) inspection field device, namely, ultrasonic systems comprised of a s...